/**
 * Copyright 2024, SumUp Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { describe, it, expect } from 'vitest';

import { promisify } from './promises.js';

describe('promises', () => {
  describe('promisify', () => {
    it('should promisify a synchronous function', async () => {
      const expected = 'expected';
      const fn = () => expected;

      await expect(promisify(fn)).resolves.toBe(expected);
    });

    it('should promisify an asynchronous function', async () => {
      const expected = 'expected';
      const fn = () => Promise.resolve(expected);

      await expect(promisify(fn)).resolves.toBe(expected);
    });
  });
});
